The folowing table expresses '30' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.
Base | DR5 | DR4 | DR3 | DR2 | DR1 |
---|---|---|---|---|---|
2 | 11110 | 100 | 1 | ||
3 | 1010 | 2 | |||
4 | 132 | 12 | 3 | ||
5 | 110 | 2 | |||
6 | 50 | 5 | |||
7 | 42 | 6 | |||
8 | 36,11 | 2 | |||
9 | 33 | 6 | |||
10 | 30 | 3 | |||
11 | 28 | A | |||
12 | 26 | 8 | |||
13 | 24 | 6 | |||
14 | 22 | 4 | |||
15 | 20 | 2 | |||
16 | 1E | F |
Factors: 2 * 3 * 5
30 is the number of edges in a Dodecahedron.
30 is the number of edges in a Icosahedron.
A 'Triacontagon' is a 'regular polygon' with 30 sides.
30 is the atomic weight of Zinc (Zn).